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The electroencephalograph is a method of: a. detecting brain waves by means of measuring the current between electrodes placed on the scalp. b. detecting heartbeats by means of measuring the current between electrodes placed in one's hands. c. using the Karvonen technique to monitor abnormal heartbeats in a person. d. brain imaging that passes a narrow X-ray beam through the head and measures the structures that reflect the beams from various angles.

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The correct answer is letter A.

Explanation: Electroencephalography or EEG examination is nothing more than the graphic record of the electrical currents in our brain.

The examination consists of the fixation of electrodes in predefined positions on the patient's scalp or fixation of the electrodes by the 10-20 system, an amplifier to increase the intensity of the brain pulses, a monitor to visualize the variations of the pulses and a printer. to issue a report.

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